From: Michael Orlitzky <michael@orlitzky.com>
Date: Fri, 23 Aug 2019 17:25:33 +0000 (-0400)
Subject: eja: drop unused _matrix_ip function.
X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=a167bfc4ffb18296eb75d505112a6c1dd4c7f9ae;p=sage.d.git

eja: drop unused _matrix_ip function.
---

diff --git a/mjo/eja/eja_algebra.py b/mjo/eja/eja_algebra.py
index 413128c..f687e46 100644
--- a/mjo/eja/eja_algebra.py
+++ b/mjo/eja/eja_algebra.py
@@ -1296,14 +1296,6 @@ def _unembed_quaternion_matrix(M):
     return matrix(Q, n/4, elements)
 
 
-# The inner product used for the real symmetric simple EJA.
-# We keep it as a separate function because e.g. the complex
-# algebra uses the same inner product, except divided by 2.
-def _matrix_ip(X,Y):
-    X_mat = X.natural_representation()
-    Y_mat = Y.natural_representation()
-    return (X_mat*Y_mat).trace()
-
 
 class RealSymmetricEJA(FiniteDimensionalEuclideanJordanAlgebra):
     """